Bust-A-Move 2 Bonus levels: Press A, Up, B, Down at the title screen. Expert mode: Press A + B at the title screen to increase the difficulty level. Time trial passwords: Level Password 20 DINO 30 SHAM 40 PARCK 50 CHUN CHUN 60 MAITA 70 CHOKKINTA 80 BUBLEN 88 MADAM YAN